Lay's® Salt & Vinegar Flavored Potato Chips. Guaranteed fresh until printed date. No MSG. No preservatives. No artificial flavors. Made with all natural ingredients. 0 grams trans fat. Frito Lay®. Good fun! Naturally delicious. It all starts with farm-grown potatoes-cooked in all natural oil with a dash of salt. Then we add just the right balance of tangy, all natural vinegar. So every Lay's® Potato Chip is perfectly crispy and delicious. Happiness in Every Bite™. Made with all natural potatoes and seasonings. Questions or comments 1-800-352-4477 weekdays 9:00 A.M to 4:30 P.M central time. Guaranteed fresh until printed date or this snack's on us. ©2010 Frito-Lay, North America, Inc.